vb.net临时文件名的简单介绍

在vb中生成的扩展名为dll的文件放在哪里一般放在你的可执行文件的目录下,也有放在系统的路径下 , 
还可放在任意目录下 , 不过要在path中设置路径 。
VB.NET获取目录文件夹名称先用System.IO.Directory.GetDirectories函数获取子目录vb.net临时文件名的名称(包括其路径)vb.net临时文件名,再用System.IO.Path.GetFileName获取子目录vb.net临时文件名的名称 。下面是代码:
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
For Each s In System.IO.Directory.GetDirectories("C:\Windows")
Console.WriteLine(System.IO.Path.GetFileName(s))
Next
End Sub
下面是部分输出:
Application Data
AppPatch
assembly
BOCNET
Boot
Branding
ConfigSetRoot
Cursors
Debug
DigitalLocker
Downloaded Installations
Downloaded Program Files
ehome
en-US
Fonts
Globalization
Help
...
可能有更简洁的方法vb.net临时文件名,vb.net临时文件名你可以到MSDN看看
System.IO.Directory.GetDirectories:
System.IO.Path.GetFileName:
通用 I/O 任务:
怎么用VB.NET更改文件扩展名以修改“C:\abc.txt"为bat为例 。
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim Myfile As String
Myfile = IO.Path.ChangeExtension("C:\abc.txt", ".bat")
Microsoft.VisualBasic.FileSystem.Rename("C:\abc.txt", Myfile)
End Sub
End Class
vb.net从文件路径中获取文件名获取方法vb.net临时文件名,参考实例如下vb.net临时文件名:
'获取路径名各部分:如: c:\dir1001\aaa.txt
'获取路径路径c:\dir1001\
Public Function GetFileName(FilePathFileName As String) As String'获取文件名aaa.txt
【vb.net临时文件名的简单介绍】On Error Resume Next
Dim i As Integer, J As Integer
iLen(FilePathFileName)
JInStrRev(FilePathFileName, "\")
GetFileNameMid(FilePathFileName, J + 1, i)
End Function
''获取路径路径c:\dir1001\
Public Function GetFilePath(FilePathFileName As String) As String '获取路径路径c:\dir1001\
On Error Resume Next
Dim J As Integer
JInStrRev(FilePathFileName, "\")
GetFilePathMid(FilePathFileName, 1, J)
End Function
'获取文件名但不包括扩展名aaa
Public Function GetFileNameNoExt(FilePathFileName As String) As String'获取文件名但不包括扩展名aaa
On Error Resume Next
Dim i As Integer, J As Integer, k As Integer
iLen(FilePathFileName)
JInStrRev(FilePathFileName, "\")
kInStrRev(FilePathFileName, ".")
If k0 Then
GetFileNameNoExtMid(FilePathFileName, J + 1, i - J)
Else
GetFileNameNoExtMid(FilePathFileName, J + 1, k - J - 1)
End If
End Function
'===== '获取扩展名.txt
Public Function GetFileExtName(FilePathFileName As String) As String'获取扩展名.txt
On Error Resume Next
Dim i As Integer, J As Integer
iLen(FilePathFileName)
JInStrRev(FilePathFileName, ".")
If J0 Then
GetFileExtName".txt"
Else
GetFileExtNameMid(FilePathFileName, J, i)
End If
End Function
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